(S)-Mandelsaeure, Natriumsalz 、 [(2S,8S)-2-(naphthalene-2-carbonyloxymethyl)-1,2,3,4,6,7,8,9-octahydropyrimido[1,2-a]pyrimidin-5-ium-8-yl]methyl naphthalene-2-carboxylate;chloride 以
氯仿 、
水 为溶剂,
生成 ((2R,8R)-1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine-2,8-diyl)bis(methylene) bis(2-naphthoate) (S)-2-hydroxy-2-phenylacetate